 var tai = false;//是否有网络，默认为无
 var tt = "无网络";
 /**
  * 多余代码日后改
  */
 function getWifi() {
		var nt = plus.networkinfo.getCurrentType();
		switch(nt) {
			case plus.networkinfo.CONNECTION_ETHERNET:
			case plus.networkinfo.CONNECTION_WIFI:
				tt = "wifi";
				break;
			case plus.networkinfo.CONNECTION_CELL2G:
			case plus.networkinfo.CONNECTION_CELL3G:
			case plus.networkinfo.CONNECTION_CELL4G:
				tt = "流量";
				break;
			default:
				tt = "无网络";
				break;
		}
		document.getElementsByClassName("tt")[0].innerHTML = tt;
}
//获取当前设备的网络类型
function plusReady() {
    var types = {};
    types[plus.networkinfo.CONNECTION_UNKNOW] = "Unknown connection";
    types[plus.networkinfo.CONNECTION_NONE] = "None connection";
    types[plus.networkinfo.CONNECTION_ETHERNET] = "Ethernet connection";
    types[plus.networkinfo.CONNECTION_WIFI] = "WiFi connection";
    types[plus.networkinfo.CONNECTION_CELL2G] = "Cellular 2G connection";
    types[plus.networkinfo.CONNECTION_CELL3G] = "Cellular 3G connection";
    types[plus.networkinfo.CONNECTION_CELL4G] = "Cellular 4G connection";
    getWifi();
}
if (window.plus) {
    plusReady();
} else {
    document.addEventListener("plusready", plusReady, false);
}

mui.plusReady(function() {
	document.addEventListener("netchange", onNetChange, false);
	//获取当前网络类型
	function onNetChange() {
		var nt = plus.networkinfo.getCurrentType();
		switch(nt) {
			case plus.networkinfo.CONNECTION_ETHERNET:
			case plus.networkinfo.CONNECTION_WIFI:
				mui.toast("当前网络为WiFi");
				tt = "wifi";
				getData();
				break;
			case plus.networkinfo.CONNECTION_CELL2G:
			case plus.networkinfo.CONNECTION_CELL3G:
			case plus.networkinfo.CONNECTION_CELL4G:
				mui.toast("当前网络非WiFi");
				tt = "流量";
				getData();
				break;
			default:
				mui.toast("当前没有网络");
				tt = "无网络";
				break;
		}
		document.getElementsByClassName("tt")[0].innerHTML = tt;
	}
});

// 这段代码有疑问，plus.networkinfo.getCurrentType()的值出来是数字吗？且在这放着
//document.addEventListener("netchange", function() {
//	var network = plus.networkinfo.getCurrentType();
//	if(network < 2) {
//		if(this.network > 1) {
//			plus.nativeUI.toast('您的网络已断开', undefined, '期待乐');
//		}
//	}
//	if(this.network == 3 && network > 3) {
//		plus.nativeUI.toast('您网络已从wifi切换到蜂窝网络，浏览会产生流量', undefined, '期待乐', '我知道了');
//	}
//	this.network = network;
//}); 